HD6433802H Datasheet, PDF (14/435 Pages) Hitachi Semiconductor – Single-Chip Microcomputer

Section 7 RAM...................................................................................................................... 129
7.1 Overview............................................................................................................................ 129
7.1.1 Block Diagram...................................................................................................... 129
Section 8 I/O Ports ............................................................................................................... 131
8.1 Overview............................................................................................................................ 131
8.2 Port 3.................................................................................................................................. 133
8.2.1 Overview............................................................................................................... 133
8.2.2 Register Configuration and Description ............................................................... 133
8.2.3 Pin Functions ........................................................................................................ 137
8.2.4 Pin States .............................................................................................................. 138
8.2.5 MOS Input Pull-Up............................................................................................... 138
8.3 Port 4.................................................................................................................................. 139
8.3.1 Overview............................................................................................................... 139
8.3.2 Register Configuration and Description ............................................................... 139
8.3.3 Pin Functions ........................................................................................................ 141
8.3.4 Pin States .............................................................................................................. 142
8.4 Port 5.................................................................................................................................. 143
8.4.1 Overview............................................................................................................... 143
8.4.2 Register Configuration and Description ............................................................... 143
8.4.3 Pin Functions ........................................................................................................ 146
8.4.4 Pin States .............................................................................................................. 147
8.4.5 MOS Input Pull-Up............................................................................................... 147
8.5 Port 6.................................................................................................................................. 148
8.5.1 Overview............................................................................................................... 148
8.5.2 Register Configuration and Description ............................................................... 148
8.5.3 Pin Functions ........................................................................................................ 150
8.5.4 Pin States .............................................................................................................. 151
8.5.5 MOS Input Pull-Up............................................................................................... 151
8.6 Port 7.................................................................................................................................. 152
8.6.1 Overview............................................................................................................... 152
8.6.2 Register Configuration and Description ............................................................... 152
8.6.3 Pin Functions ........................................................................................................ 154
8.6.4 Pin States .............................................................................................................. 154
8.7 Port 8.................................................................................................................................. 155
8.7.1 Overview............................................................................................................... 155
8.7.2 Register Configuration and Description ............................................................... 155
8.7.3 Pin Functions ........................................................................................................ 157
8.7.4 Pin States .............................................................................................................. 157
8.8 Port 9.................................................................................................................................. 158
8.8.1 Overview............................................................................................................... 158
8.8.2 Register Configuration and Description ............................................................... 158
8.8.3 Pin Functions ........................................................................................................ 160
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